public class Demo3 {
    //使用匿名内部类
    public static void main(String[] args) {
        Thread t = new Thread(){
            public void run(){
                while(true) {
                    System.out.println("hello tttt~");
                    try {
                        Thread.sleep(1000);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
            }
        };
        t.start();
        while(true){
            System.out.println("hello mainmainmain");
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}
